The genus Allothrips Hood, with one species A. bournieri Mound, is reported for the first time in Iran and the generic classification of Phlaeothripidae is discussed briefly. A key is provided to distinguish the four genera recorded in Iran of the spore-feeding thrips in the Idolothripinae.

The paper focuses on regional trade agreements and economic co-operation and develops a new appropriate approach to study their impact on growth and trade. The approach is based on an endogenous trade-growth theory and novelly specified in an economic integration (expenditure) framework which is the conceptual foundation of regional trade agreements. Importantly, it also appropriately takes int...

Stress in financial markets influences economic agents’ behavior by creating uncertainty and changing the expectations. Critical financial stress can lead to financial crisis. Financial crises are among the events always present in the world economy. Iran is not an exception. This paper aims to study the impact of financial stresses on Iran’s per capita GDP. By using ARDL (Auto Regressive Distr...

This paper investigates the asymmetric effects of monetary policy on economic growth over business cycles in Iran. Estimating the models using the Hamilton (1989) Markov-switching model and by employing the data for 1960-2012, the results well identify two regimes characterized as expansion and recession. Moreover, the results show that an expansionary monetary policy has a positive and statist...

although economists and entrepreneurs had been aware of the impact of economies of scale on average cost, no comprehensive theory was introduced until 1950s. economies of scale is used by economist as a practical measure for evaluating the extent of competition (monopoly) in real markets. there are two primary aims of this paper: 1) to introduce theoretical aspects of economies of scale, 2) to ...

nowadays the phrase “social capital” has become one of the widely used general terms in social studies. the impact of social capital on economies and politics has expanded and has opened new venues for solving social and political malaise. one of the effects of social capital is its impact on personal welfare. in this article we have used a dynamic model containing two equations to study the im...

this paper estimates demand functions for wireless and wireline phone, using almost ideal demand system (aids) and attempts to test the hypothesis of substitutability between wireless and wireline in iran. the results indicate that the number of mobile subscribers has been growing more than the number of wireline subscribers over studied period. this maybe because of lower price of mobile acces...

empirical evidence seems to indicate that economic growth has varied inversely with natural resource abundance across countries, in which high natural resources dependent economies experience the low economic growth. this paper first reviews the literature of resources curse and shows that the most important challenges of economic development of iran are those mechanisms that change the blessin...